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Finding the Fourth Proportional to 575,092.06, 863,041.47 and 238,138.54

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Solution

The fourth proportional to 575,092.06, 863,041.47 and 238,138.54 is: 357,374.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,092.06 : 863,041.47 = 238,138.54 : x
  2. Step 2: Convert to fraction form
    575,092.06/863,041.47 = 238,138.54/x
  3. Step 3: Cross multiply
    575,092.06x = 863,041.47 × 238,138.54
  4. Step 4: Simplify right side
    575,092.06x = 205,523,435,625.25
  5. Step 5: Solve for x
    x = 205,523,435,625.25/575,092.06
  6. Step 6: Final answer
    x = 357,374.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.